ceea0457f178b5e19d8ef1aa7c7f7b5ce5e3fcc7f48b0f1ac5da39ba290819dc

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 00:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

W2.pdf
Size

36.1MB
MD5

28ed3744e67812936a005adfb9f029a4
SHA1

3a725d65fdc9d24638c2a673f0fdaf74f26d3b47
SHA256

a8c302a0e636b865a1452db668d9d8a5154f3634923aa06e23469d81d7e6c410
SHA512

972c561f58018162dd1560de16bca63666a91879648b609f7acc754ec6a25ab62ac2161c553a33aacb7141211ca7f2b76d11e7b5a63471bf8c40516c54245b48
SSDEEP

786432:94rbnl4Qbn+40bny4Rbn04ubng4dbnB4sbnn4rbnh4nbnH47:94/l4G+4ay4d048g4pB4Cn4/h4bH47

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2760	2988	AcroRd32.exe	81
PID 2988 wrote to memory of 2760	2988	AcroRd32.exe	81
PID 2988 wrote to memory of 2760	2988	AcroRd32.exe	81
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 3692	2760	RdrCEF.exe	82
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83
PID 2760 wrote to memory of 1212	2760	RdrCEF.exe	83

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\W2.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=CA4962A51AC0A91460F8CD75EBB752AA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3692
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C0EFC667AA6F139B01E5895A4C021639 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C0EFC667AA6F139B01E5895A4C021639 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1212
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A107BD5744040807DBBD9763C5C1D8E1 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4524
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B57F9FFF9B9F20FA6DAEAE8E1BE613DB --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3240
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4E74341206E8E92114E29876B68F54F7 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
c61c5e218808a029c262a5081929e346

SHA1
22715f0246b49a6fa3215c98744261671685a44b

SHA256
fb6dd02858c27ec66e0e340b3b874cdf40c67a1625370ce65322efd3f7c0e84c

SHA512
23dd875946188d6dd0c21edd6def79414d356908a957d3fa19f5af522401949dd5f230b673eb3f7dae27da553c735acbc75a92c54891010101716a5c9bd41871

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit